All of the following cause an increase in CVP EXCEPT:

Serial measurements of the CaO2 and CvO2 have been measured on a patient who is mechanically ventilated after a AAA repair. Which of the following arterial-venous content differences recorded exhibit the greatest decrease in cardiac output?

Monitoring of the CVP is indicated when there is a need to assess:I. circulating blood volumeII. right ventricular functionIII. left ventricular preloadIV. degree of venous returnV. pulmonary vascular resistance

A patient is brought into the ED that was trapped in a burning office building and was found unconscious. What is the best way to improve oxygenation status of this patient?

A 19 year old man is brought to the ED after experiencing sharp chest pain while playing basketball. Upon observation of the young man, reveals a tall, thin man in severe distress. Despite being placed on a 10 L/min SM, the patient shows peripheral and central cyanosis. Percussion of the right side yields a dull percussion note and on the left it is noted to have a hyperresonant note. Additionally, a distinct shift in the trachea toward the right side is noted. Cardiac leads are attached and the ECG monitor shows sinus tachycardia with frequent multifocal PVCs. The B/P can only be palpated at 50 mmHg systolic, diaphoresis and cyanosis. Which of the following should the RT recommend?

A tank of helium (He) has a volume of 120.0 L at a temperature of 55.0

Assignments will count as _____ percent of your final grade.

You are an RT assisgned to MICU, a patient in the unit has had a chest drainage system placed for a hemothorax suffered due to a MVA. It has been about 60 minutes since the physician place the CT and the nurse asks for your assistance to reposition the patient. When the patient is turned to the opposite side you notice that there is about 300 mL of blood that has drained into the collection chamber of the drainage system. You would suspect which of the following?

A patient has undergone external cardioversion had to be given a large dose of diazepam prior to the procedure to attain adequate sedation. After successful conversion to a normal sinus rhythm, the patient remains sedated and difficult to rouse. Which of the following pharmocologic agents would be appropriate to administer at this time?

Which of the following has the least effect on stroke volume?